News tagged with denitrification
Denitrification, its importance once diluted, may be back on top, study says
After more than a decade of inquiry, a Princeton-led team of scientists has turned the tables on a long-standing controversy to re-establish an old truth about nitrogen mixing in the oceans.
Sep 02, 2009 |
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Search results for denitrification
Fertilizer use responsible for increase in nitrous oxide in atmosphere
University of California, Berkeley, chemists have found a smoking gun proving that increased fertilizer use over the past 50 years is responsible for a dramatic rise in atmospheric nitrous oxide, which is a major greenhouse ...
Space & Earth / Earth Sciences
Apr 02, 2012 |
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Study: Forested riparian zones important to nitrogen control, stream health
Human activities from agriculture to fossil fuel consumption have resulted in high levels of nitrates in many streams and rivers; now a new study suggests that nurturing riparian zone forests may be a key in maintaining healthy ...
Feb 21, 2012 |
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Wood chips help curb nitrate leaching
(PhysOrg.com) -- Wood chips can significantly stem nitrate flow from crop fields into the surrounding watershed, according to a U.S. Department of Agriculture (USDA) study.
Feb 20, 2012 |
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Gas conversion for clean fuels and value-added chemicals
(PhysOrg.com) -- The Institute of Chemical and Engineering Sciences (ICES), a research institute of The Agency for Science, Technology and Research (A*STAR), and IHI Corporation (IHI) start their collaboration in areas of ...
Technology / Energy & Green Tech
Dec 02, 2011 |
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Nitrogen fertilizers' impact on lawn soils
Nitrogen fertilizers from farm fields often end up in aquatic ecosystems, resulting in water quality problems, such as toxic algae and underwater 'dead zones'. There are concerns that fertilizers used on lawns may also contribute ...
Nov 04, 2011 |
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Bacteria forge nitrogen from nitric oxide: Scientists unravel key pathway in the nitrogen cycle
The anaerobic oxidation of ammonia (anammox) is an important pathway in the nitrogen cycle that was only discovered in the 1980s. Currently, scientists estimate that about 50 percent of the nitrogen in the atmosphere is forged ...
Oct 05, 2011 |
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Wastewater recycling can multiply greenhouse gas emissions
New research shows that wastewater recycling processes may generate more greenhouse gases than traditional water-treatment processes. Despite this finding, there are good reasons to continue keep wastewater ...
Aug 29, 2011 |
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Nitrogen loss expected with heavy rainfall
After 2 to 6 inches of rain fell on most of central South Dakota - and more in isolated areas - in the last couple weeks; South Dakota State University Extension Soil Specialist, Ron Gelderman, says some fields may experience ...
Jul 06, 2011 |
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Beyond the barn: Keeping dairy cows outside is good for the outdoors
Computer simulation studies by scientists at the U.S. Department of Agriculture (USDA) suggests that a dairy cow living year-round in the great outdoors may leave a markedly smaller ecological hoofprint than its more sheltered ...
May 24, 2011 |
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Environmental impact of animal waste
North and South Carolina have seen a steady increase in swine production over the last 15 years. In North Carolina alone, swine production generates approximately a quarter of the state's gross farm receipts. ...
Mar 04, 2011 |
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List of search results for denitrification
